Communication Systems |
From inside the book
Results 1-3 of 82
Page 339
... noise n ( t ) will be rejected . Therefore , the power spectral density S ( ƒ ) of the noise n , ( t ) appearing at the receiver output is defined by ( Nof2 SNo ( f ) = A ? \ f \ < w 0 , otherwise ( 6.57 ) as shown in Fig . 6.13 ( c ) ...
... noise n ( t ) will be rejected . Therefore , the power spectral density S ( ƒ ) of the noise n , ( t ) appearing at the receiver output is defined by ( Nof2 SNo ( f ) = A ? \ f \ < w 0 , otherwise ( 6.57 ) as shown in Fig . 6.13 ( c ) ...
Page 623
Simon S. Haykin. Appendix 3 NOISE FIGURE A convenient measure of the noise performance of a linear two - port device ... power in a band of width Af centered at frequency fas the maximum average noise power in this band , obtainable at ...
Simon S. Haykin. Appendix 3 NOISE FIGURE A convenient measure of the noise performance of a linear two - port device ... power in a band of width Af centered at frequency fas the maximum average noise power in this band , obtainable at ...
Page 626
Simon S. Haykin. temperature . Then it follows that the total output noise power is N2 = GN1 + Na = = Gk ( T + Te ) Af The noise figure of the device is therefore T + Te F = T ( A3.10 ) ( A3.11 ) Solving for the equivalent noise ...
Simon S. Haykin. temperature . Then it follows that the total output noise power is N2 = GN1 + Na = = Gk ( T + Te ) Af The noise figure of the device is therefore T + Te F = T ( A3.10 ) ( A3.11 ) Solving for the equivalent noise ...
Contents
Representation of Signals and Systems | 12 |
Amplitude Modulation | 114 |
Noise in CW Modulation | 316 |
Copyright | |
12 other sections not shown
Other editions - View all
Common terms and phrases
assume autocorrelation function average power average probability band-pass filter band-pass signal bandwidth baseband baseband signal binary PSK binary sequence binary wave carrier frequency carrier wave carrier-to-noise ratio channel coherent complex envelope Consider correlation corresponding defined delta function demodulator denote DSBSC wave duration envelope detector equal Figure filter output FM wave frequency f frequency modulation Hilbert transform impulse response input signal integral interval linear low-pass filter message points message signal modulating wave multiplexing noise power obtained oscillator output signal-to-noise ratio PCM system phase phase-locked loop power spectral density probability density function probability of error Problem produced Product modulator pulse QPSK quadrature components quantizing random process X(t random variable received signal receiver output result Rx(t sample function shown in Fig side-frequencies signal g(t signal-to-noise ratio spectral density No/2 spectrum SSB wave transfer function transmission bandwidth variance vector wave s(t waveform zero mean